Home / 7,972.56-11,000.04-4,434.90

Finding the Fourth Proportional to 7,972.56, 11,000.04 and 4,434.90

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Solution

The fourth proportional to 7,972.56, 11,000.04 and 4,434.90 is: 6,119.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.56 : 11,000.04 = 4,434.90 : x
  2. Step 2: Convert to fraction form
    7,972.56/11,000.04 = 4,434.90/x
  3. Step 3: Cross multiply
    7,972.56x = 11,000.04 × 4,434.90
  4. Step 4: Simplify right side
    7,972.56x = 48,784,077.40
  5. Step 5: Solve for x
    x = 48,784,077.40/7,972.56
  6. Step 6: Final answer
    x = 6,119.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.